Beet It with a (Carrot) Stick Soup (Borscht)

(or roasted beet soup with carrots and onions)   Everyone was making borscht this week, and it made me envious.  I have a whole bunch of roasted beets that were frozen from the 2014  harvest, and I had hardly made a dent into this treasure trove.  So, armed with my 1 lb of frozen and…